Home / 18,059.22-27,088.83-11,858.40

Finding the Fourth Proportional to 18,059.22, 27,088.83 and 11,858.40

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Solution

The fourth proportional to 18,059.22, 27,088.83 and 11,858.40 is: 17,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,059.22 : 27,088.83 = 11,858.40 : x
  2. Step 2: Convert to fraction form
    18,059.22/27,088.83 = 11,858.40/x
  3. Step 3: Cross multiply
    18,059.22x = 27,088.83 × 11,858.40
  4. Step 4: Simplify right side
    18,059.22x = 321,230,181.67
  5. Step 5: Solve for x
    x = 321,230,181.67/18,059.22
  6. Step 6: Final answer
    x = 17,787.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.